Samacheer Kalvi 9th Science Book Back Answers Chapter 27

Samacheer Kalvi 9th Science Book Back Question and Answers:

Samacheer Kalvi 9th Standard Science Book Back 1 Mark and 2 Mark Question & Answers PDF uploaded and available below. Class 9 New Syllabus 2022 to 2023 Book Back Questions & Answers/solutions available for both English and Tamil Medium. Class 9 std Science Book Term 3 Chapter 9 – Hardware and Software Answers/Solutions Guide are uploaded on this page. In the new 9th Science syllabus Term 1, Term 2 and Term 3 are combined into a single book. The 9th standard Science Book is consists of 25 Units. All 25 chapters of Term 1st, 2nd, 3rd Science Book Back One, and Two Mark Solutions are given below.

Check Unit wise and  Samacheer kalvi 9th standard Science Book Back Question and Answers Guide/Solutions PDF format for Free Download. Check and download all subjects in English, Tamil, Maths, Science, and Social Science Book Back Questions and Answers available in PDF. Check 9th Science – Physics, Chemistry, and Biology below. See below for the Samacheer Kalvi 9th Science Book Back Answers Guide Term 3 Chapter 9 PDF:

9th Science Book Back Term 3 Chapter 9 Solutions Guide PDF:

Samacheer Kalvi 9th Science Subject 1 Mark and 2 Mark Solutions Guide PDF available below. Click the Download option to download the book back 1 Mark & 2 Mark questions and answers. Take the printout and use it for exam purposes.

9th Science Term 3 Chapter – 9

Hardware and Software – Book Back Answers


I. Choose the correct answer:

1. Find out the part that is not found in CPU?
a) Mother board
c) RAM
d) Mouse

2. Which of the following is correct?
a) Free and open source
b) Free and traditional software
c) Passive and open source
d) Passive and Traditional sourc

3. LINUX is a
a) Paid Software
b) Licensed Software
c) Free and proprietary software
d) Free and open source software

4. Find out the Paid and Proprietary software from the given list
a) Windows
c) Adobe Photoshop
d) All the above

5. Is an Operating System
a) Android
b) Chrome
c) Internet
d) Pen drive

II. Match the following:

1. MAC OS       a) Free and Open Source Software
2. Software      b) Paid and Proprietary software
3. Hardware    c) Input Device
4. Keyboard     d) RAM
5. LINUX          e) Geogebra

Ans: 1- b; 2-e; 3-d; 4-c; 5-a.

III. Short Questions & Answers:

1. What is Hardware and Software?
A hardware is a device that helps to enter input information. It includes input and output devices. Software’s are programmed and coded applications to process the input information. They process the data by converting the input information into coded or programmed language.

2. What do you mean by Operating System? How does it work?
An Operating System (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. It performs basic tasks as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the storage drives and controlling peripheral devices such as printers.

3. What is Free and Open Source Software? Give any two examples.
Free and Open Source software is available free of cost and can be shared by many end users.
It is editable and customizable by the user and this leads to updation or development of new software. Examples of Free and Open Source software are LINUX, Open office, Geogebra.

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